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Overexpression of transcription factor 3 drives hepatocarcinoma development by enhancing cell proliferation via activating Wnt signaling pathway 被引量:2
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作者 Xing-Yu Pu Dao-Feng Zheng +3 位作者 Tao Lv Yong-Jie Zhou Jia-Yin Yang Li Jiang 《Hepatobiliary & Pancreatic Diseases International》 SCIE CAS CSCD 2022年第4期378-386,共9页
Background:Transcription factor 3(TCF3)plays pivotal roles in embryonic development,stem cell maintenance and carcinogenesis.However,its role in hepatocellular carcinoma(HCC)remains largely unknown.This study aimed to... Background:Transcription factor 3(TCF3)plays pivotal roles in embryonic development,stem cell maintenance and carcinogenesis.However,its role in hepatocellular carcinoma(HCC)remains largely unknown.This study aimed to analyze the correlation between TCF3 expression and clinicopathological features of HCC,and further explore the underlying mechanism in HCC progression.Methods:The expression of TCF3 was collected from the Cancer Genome Atlas(TCGA)and the Gene Expression Omnibus(GEO)HCC datasets,and further confirmed by immunostaining and Western blotting assays.The correlation between TCF3 expression and the clinicopathological features was evaluated.Bioinformatical analysis and in vitro experiments were conducted to explore the potential role of TCF3 in HCC development.Results:Both the mRNA and protein levels of TCF3 were significantly higher in HCC tumor tissues compared to tumor adjacent tissues(P<0.001 and P<0.01).Analysis based on TCGA datasets showed that TCF3 was positively correlated with tumor clinical stage and grade,and patients with high TCF3 expression had shorter overall survival(P=0.012),disease-specific survival(P=0.022)and progression-free survival(P=0.013).Similarly,the immunostaining results revealed that the high expression of TCF3 was closely correlated with tumor size(P=0.001)and TNM stage(P=0.002),and TCF3 was an independent risk factor of HCC.In vitro study exhibited that TCF3 knockdown dramatically suppressed cancer cell proliferation,and the underlying mechanism might be that the silencing of TCF3 reduced the expression of critical regulating proteins towards cell cycle and proteins involved in Wnt signaling pathways.Conclusions:TCF3 expression is significantly elevated in HCC and positively associated with the tumor size and TNM stage,as well as poor prognosis of HCC patients.The mechanism might be that TCF3 promotes cancer cell proliferation via activating Wnt signaling pathway. 展开更多
关键词 Hepatocellular carcinoma Proliferation cell and molecular biology
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